普物I-力学-Ch.3 滑动摩擦力(sliding friction force): 当外力超过最大静摩擦力时,物体之间出现相对滑动, 此摩擦力称为滑动摩擦力,滑动摩擦力 的方向总是 与物体相对运动的方向相反 k...
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It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。
The force which must be overcome to keep one surface moving over another in known as sliding friction.
而保证一个平面沿着另一个平面相对移动的力称为滑动摩擦力。
Any hypothetic al force postulated to either push or pull oceanic plates would be quickly dissipated overcoming the friction of sliding over a static fluid mantle beneath.
任何假设的能推动或拉动大洋板块的力，会很快因克服在其下静态的热体地幔上滑动的摩擦力而被消散。
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